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Unlock Device App does not unlock bootloader

virus42425
Star I
Model: ZC550KL(Max)
RAM: 3G
Firmware/APP Version: WW-13.8.26.98/9.0.0.3
Frequency of Occurrence: Always
Rooted: No
APP Name: Unlock Device App

Last edited by virus42425 on 2019/5/26 17:34 The program does not unlock the bootloader, writes (An unknown error occurs, which may be a network connection issue. please wait and try again later) I have tried: Reboot phone Tried the next day Chance network Facroty reset Update firmware USB debugging enable What am I to do?
5 REPLIES 5

ServiceE_Asus
Star I
Hi virus42425, Good day. Could you help me to check your CPU sku and firmware version again? (1.) Unlock Device App version (2.) Firmware version / CPU sku (3.) Please show me this error screenshot (4.) Please kindly texted me your serial number for a check. (settings> system > about phone > status > serial number) Thank you.

JustMirrors
Star I
Model: ZE550KL(Laser 2)
RAM: 2G
Firmware Version: WW_21.40.1220.2192_20180109
CPU: 1.2 GHz Quad Core
Serial Number: FBAZGU046558ABX
screenshot-20200820-225452.jpg

Unlock App Version: Android M 20160928
Rooted: No
APP Name: Unlock Device App

Christine_ASUS
Community Legend II
Hi JustMirrors
For ZE550KL, there will no longer have any maintenance. Sorry for any inconvenience this may cause. Thank you for your understanding and support.

Model : ZenFone Selfie (ZD551KL)
Firmware version: WW_21.40.0.2213.20171110
Android : 6.0.1
i cant use unlock bootloader tool from asus